Finding the Fourth Proportional to 211,211.14, 316,029.27 and 208,849.06
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Solution
The fourth proportional to 211,211.14, 316,029.27 and 208,849.06 is: 312,494.96
Step by Step Solution
- Step 1: Write the proportion equation
211,211.14 : 316,029.27 = 208,849.06 : x - Step 2: Convert to fraction form
211,211.14/316,029.27 = 208,849.06/x - Step 3: Cross multiply
211,211.14x = 316,029.27 × 208,849.06 - Step 4: Simplify right side
211,211.14x = 66,002,415,971.99 - Step 5: Solve for x
x = 66,002,415,971.99/211,211.14 - Step 6: Final answer
x = 312,494.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.